Best region in Spain for white wine – Rueda, Rías Baixas or Valdeorras? Or somewhere else??

Vetus ‘Flor de Vetus’ Verdejo 2013, Rueda, Spain (£11.99 Meat, The Wine Reserve, Charlie Crown, Grape & Grind, Scarlet Wines, The Jolly Vintner Too, Shaftesbury Wines, The Cellar at Clevedon, Woodford Wine Room, Loki, Wright Wine Company, Richard Granger Wines, Aitken Wines, Winedirect.co.uk, Thedrinkshop.com)
Crisp young and perky, but with some flesh in there too, this resembles a less gawky Sauvignon Blanc, thanks to its herb-infused apple and blood orange flavours tinged with vanilla. Quite forward, but that zesty citrus edge reins it all in. Even so, I want to drink this sooner rather than later. S-